Postcard of men standing and sitting in rows in front of a wooden building. A note below the photo says: "Army Y. M. C. A., Camp MacArthur. Waco, Texas."

Postcard with a group photograph of the first American troops sent to Europe in World War I. There are six total rows of soldiers in the picture, but only two are seated on the bottom row. The description on the back of the photo reads: "The first American detachment to be trained in England to help down the Huns." The picture also says that this was taken at Queen's College in October 1917. The name of three of the men are written on the back.

Postcard from Henry Clay, Jr. to his family back home in Texas regarding his current trip across the Atlantic Ocean. Clay does not say anything of great importance in this letter but was recovering from his recent sea-sickness.

Postcard of soldiers shooting cannons in a field, with the caption, "Bat. D. 119th F.A. in action. Camp MacArthur, Waco, Texas." A handwritten note on the back of the postcard is addressed to Mr. and Mrs. J. Claude Hill in Hartford, Michigan and says, "Dear Folks, Am getting along fine. Can limp around without my crutches. I am listed as a cannoneer and will be one of this bunch on the other side when I get well enough I expect! Will write you a letter soon. Loving son [?]."

Postcard of a soldier wearing a military uniform and hat. Handwritten text on the front of the photo says "121 - U.S. H.A." A handwritten note on the back of the postcard says "To my sweetheart Charlotte- Lots of love and kisses from yours. Hans."

Postcard of soldiers hiking on a trail next to trees. A handwritten note on the back of the postcard says "This is on the hike, we have some fun while out like this. They give us coffee on the way in the city.

Postcard of long rows of large tents at Camp MacArthur in Waco, Texas.

Postcard of a long line of soldiers standing at attention between rows of tents, with rifles propped up in a line in front of them. A caption on the photo says "Co. 'M' 128th Inf'try, Camp MacArthur, Waco, Texas."

Postcard of soldiers standing and walking in a dirt road between long rows of large tents. A caption on the photo says "Company Street of Inf'try. Camp MacArthur, Waco, Texas."

Postcard of a soldier standing between two horses in a dirt road outside of two small buildings. Text below the photo says "An orderly, Camp MacArthur, Waco, Texas."

Postcard of soldiers sitting on pallets near a forest, some removing their shoes and others holding white towels, with the caption "After the Hike." A handwritten note on the back of the photo is addressed to "My sister Rose from your loving brother Henry," and says, "Well Rose this is the way my friends do after they walk a long way. I hope you are the same good little girl."

Postcard of the soldiers of Section "B" marching on a dirt road at Camp MacArthur in Waco, Texas. A handwritten note on the back of the postcard is addressed to Mr. William Jennings in Philadelphia, Pennsylvania and says, "Dear friend, This is [?] life down here and I like it better every day. Am at present (acting) corporal while in the detention camp. Will be assigned to my squad or company when I get out of quarantine. Roland A Bosler. Aviation Camp, Waco, Texas."

Postcard of soldiers standing at a long trough washing themselves, with the caption "The Beauty Shop." A handwritten note on the back of the photo is addressed to Mrs. Philip Simonean in North Oxford, Massachusetts and says, "Dear Mother, I am coming back East to see you soon and I hope George will be there when I get back. I may get a week off as I am going to save my passes here so I can have them at home. With loads of love, Henry."

Postcard of many soldiers stacking rifles in a row, with the caption "Troops stacking Arms. At Military Training Camp." A handwritten note on the back of the postcard is addressed to Edward Simonean in North Oxford, Massachusetts and says, "Got your letter and glad to hear from you. I would like to get fruit out of the garden, but I am in the navy now. But we get good food here. Love from Geo."

Postcard with a panoramic photo of Camp MacArthur, showing many rows of tents and buildings fading into the horizon.

Postcard of three soldiers lying in a field and practicing with a machine gun. A handwritten note on the back of the postcard is addressed to Miss Mary Oakley in Madison, Wisconsin and says, "Dear Miss Oakley, Best wishes and regards to you from Kosma. We got here on Thursday noon. Everything all right here. I write to you soon. Kosma."

Postcard of soldiers standing at attention behind neat cots outside of a long line of tents, with the caption "Inspection." A handwritten note on the back of the postcard, which is addressed to Mr. A.F. Frederick, says "Dear Father: This is what we get here and plenty of it. They are very strict with us. Take good care of my wife dad and I'll do my best here. Goodbye and good luck. Your son."

Postcard of a long row of identical buildings lining a dirt road. A typed note below the picture says "A regimental street, Camp MacArthur, Waco, Texas."

Postcard of rows of tents at Camp MacArthur in Waco, Texas. A note on the front of the postcard says "Co. C, 127th Infantry." A handwritten note on the back, which is addressed to Mrs. J. A. Miller in Shulane, Illinois, says "Dear Mother, We are still sailing on. It is about 9:30 and time to go to bed. Am well and alright and hope you the same. Some where in Kansas, Son Clare."

Postcard of the Infantry Replacement Band, a large group of soldiers holding instruments, at Camp MacArthur in Waco, Texas. A handwritten note in Italian on the back of the postcard is addressed to "Al caro amico E. Marino" in Kansas City, Missouri and says, "Questa è la band dove appartengo. Sí puo trovarmi? C'ha un punto. Su una spalla." In this note the author identifies himself as the band member with a mark on his shoulder. Fifth sitting man from the left.

Postcard of a low wooden building next to a dirt road. A typed caption below the picture says "Division Headquarters, Camp MacArthur, Waco, Texas."

Postcard of automobiles driving on a dirt road between rows of buildings at Camp MacArthur in Waco, Texas. A handwritten note on the back of the postcard is addressed to Miss Alma Blank in Beaver Dam, Wisconsin and says "Dear Friend - Received your letter and was very glad to hear from you. We have to go out on the shooting on the range. It is raining here a little tonight. Please send me your address when you go to Waupun. Will write a letter later. Billy."

Postcard with an aerial photograph of Camp MacArthur showing neat rows of buildings and tents. A handwritten note on the back of the postcard is addressed to "Miss and Master Mundt" in Chicago, Illinois and says, "Dear Kids, Great life down here but it sure is hot and dry. Got here last Thur, May 9, '18. Left Jefferson Barracks last Tues night at 10 o'clock. Your uncle, John.

Postcard of soldiers standing in a dirt road separating two long rows of large tents at Camp MacArthur in Waco, Texas.